While the exact height of Phil Robertson from the reality show Duck Dynasty is not listed online or otherwise publicly at this time, from photographs it can be estimated that he's the tallest member of the regular cast of the show. So it's likely he's a rather tall individual, likely being at least 6 feet tall.
He also was the starting quarterback at Louisiana Tech University in the 1960's. The average height of a quarterback is approximately 6 feet, 3 inches, so this adds to the likelihood that he is relatively tall. His weight and age aren't listed either, but it can be estimated from the time period he went to college that he's in his late 60's or early 70's.
He's known as the Duck Commander and he started his company, also named Duck Commander, in 1973. He actually was ahead of Terry Bradshaw on the depth chart in college and was drafted into the NFL, but he turned it down to pursue his passion of hunting ducks!
After 2 successful seasons, "Duck Dynasty" is expected to air new episodes starting in March 2013. For more information on the show or to purchase products from the company, you can go to their Duck Commander website.